 //
//  AppDelegate.swift
//  新浪微播
//
//  Created by lxw on 15/12/13.
//  Copyright © 2015年 lxw. All rights reserved.
//

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        // Override point for customization after application launch.
        let account = UserAccount.loadAccount()
//        isNewVersion()
//        let result = isNewVersion()
//        print(result)
       print(account)
        window = UIWindow(frame: UIScreen.mainScreen().bounds)
        window?.backgroundColor = UIColor.whiteColor()
        window?.makeKeyAndVisible()
        //注册通知
        registerNotification()
        window?.rootViewController = defaultViewController()
        return true
    }
    //注册通知
    private func registerNotification(){
        NSNotificationCenter.defaultCenter().addObserver(self, selector: "switchRootVC:", name: WBSwitchRootVCNotification, object: nil)
    }
    //移除通知的操作
    deinit{
        NSNotificationCenter.defaultCenter().removeObserver(self)
    }
    
    @objc private func switchRootVC(n: NSNotification) {
        print(n)
        //根据通知去切换对应根视图控制器
        if  n.object != nil {
            //跳转到welcome
            window?.rootViewController = WelcomeViewController()
            return
        }
        
        //首页
        window?.rootViewController = MainViewController()
    }

    
    // 根据用户是否登录显示具体的页面
    private func defaultViewController() -> UIViewController{
        //根据用户是否登录
        if UserAccountViewModel().userLogin{
            print("ppppppp")
            return isNewVersion() ? NewFeatureViewController() : WelcomeViewController()
        }
          //用户没有登录下
        print("wwwwwwww")
        return MainViewController()
    }
    private func isNewVersion()  ->Bool {
         //获取当前版本
        let info = NSBundle.mainBundle().infoDictionary
        let currentStr = info!["CFBundleShortVersionString"] as! String
        let currentNum = Double (currentStr)
        print(currentStr)
       //获取本地缓存的版本
        //用userDefaults来存版本
        let userDefaults = NSUserDefaults . standardUserDefaults()
        let sandBoxKey = "sandBoxKey"
        let lastNum = userDefaults.doubleForKey(sandBoxKey)
        print(lastNum)
        //存储当前的版本号
        userDefaults.setDouble(currentNum!, forKey: sandBoxKey)
        userDefaults.synchronize()
        return currentNum! > lastNum
    }

    func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

